This can be proven for any valid argument form using a truth table which shows that there is no situation in which there are all true premises and a false conclusion.
Founded in 1994, IntraLearn Software Corporation (ISC) is a pioneer of creating e-Learning and Knowledge Organization products for corporate enterprises, academic institutions, associations, government agencies and training suppliers.
MDC is an American punk rock band formed in Austin, Texas in 1981. The band was subsequently based in San Francisco, California, and are currently based in Portland, Oregon. Originally formed as The Stains before changing their name, the band also changed their name to a different initialism of MDC with every new record released.